Finance Calculators

Loan, interest, tax, and other finance calculators, with cited methodology.

Calculate the final price and total savings for any percentage discount — instantly, in your browser.

Calculate margin (profit as a % of selling price) and markup (profit as a % of…

Convert between an hourly rate and an annual salary, with adjustable hours per week and working…

Calculate the tip on a bill and split the total between any number of people —…